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Third law of thermodynamic as function of equilibrium constant

  1. Mar 1, 2010 #1
    Here is an equation that i sometimes use in calculating enthalpy of reaction aA+bB=cC+dD.
    a,b,c and d are stoechiometric coefficients, A,B,C and D are chemical compounds in reaction. They say that is an other form of the third law of thermodynamic, can one guide me please to derive it?
    where T is temperature, [tex]\Delta[/tex][tex]\Phi[/tex] is the Gibbs Free energy, R is the ideal gas constant and K is the partial pressure equilibrium constant.
  2. jcsd
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